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Composite Yb:Y3Al5O12∕Cr:Y3Al5O12 ceramics were fabricated by using vacuum sintering technique and nanocrystalline technology. Self-Q-switched composite Yb:Y3Al5O12∕Cr:Y3Al5O12 ceramic lasers with pulse energy of 125μJ and peak power of over 105kW at repetition rate of 3.8kHz have been demonstrated. Nearly diffraction-limited beam quality with M2 less than 1.35 was achieved in this composite Yb:Y3Al5O12∕Cr:Y3Al5O12 ceramic self-Q-switched lasers.
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Dong et al. (2007) studied this question.
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